I just got my FX5 and converted it to vinyl hosing. One end is attached to the valve and clamped. The other end is connected to the built in center overflow via PVC piping. Here's the million dollar question: Does the pvc/vinyl connection have to be clamped or clamped and glued?. If so, do I glue using PVC cement (Oatey) or aquarium silicone or a mixture of both?






